11403642163 has 2 divisors, whose sum is σ = 11403642164. Its totient is φ = 11403642162.

The previous prime is 11403642043. The next prime is 11403642181. The reversal of 11403642163 is 36124630411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11403642163 - 2²⁵ = 11370087731 is a prime.

It is not a weakly prime, because it can be changed into another prime (11403642463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701821081 + 5701821082.

It is an arithmetic number, because the mean of its divisors is an integer number (5701821082).

Almost surely, 2^11403642163 is an apocalyptic number.

11403642163 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403642163 is an equidigital number, since it uses as much as digits as its factorization.

11403642163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 11403642163 in words is "eleven billion, four hundred three million, six hundred forty-two thousand, one hundred sixty-three".